/*
 *  Copyright 2004 Blandware (http://www.blandware.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.blandware.atleap.webapp.action.core.backup;

import com.blandware.atleap.common.Constants;
import com.blandware.atleap.service.core.BackupManager;
import com.blandware.atleap.webapp.action.core.BaseAction;
import org.apache.struts.action.*;
import org.springframework.dao.DataAccessException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * <p>Action to backup database</p>
 * <p/>
 * <p><a href="BackupAction.java.html"><i>View Source</i></a></p>
 *
 * @author Andrey Grebnev <a href="mailto:andrey.grebnev@blandware.com">&lt;andrey.grebnev@blandware.com&gt;</a>
 * @version $Revision: 1.2 $ $Date: 2006/03/10 17:10:16 $
 * @struts.action path="/core/backup/backup"
 * validate="false"
 * roles="core-backup-backup"
 * @struts.action-forward name="listArchives"
 * path="/core/backup/list.do"
 * redirect="true"
 * @struts.action-forward name="inputForward"
 * path="/core/backup/list.do"
 * @struts.action-forward name="unsatisfiable"
 * path="/core/backup/list.do"
 */
public class BackupAction extends BaseAction {

    /**
     * @param mapping  The ActionMapping used to select this instance
     * @param form     The optional ActionForm bean for this request (if any)
     * @param request  The HTTP request we are proceeding
     * @param response The HTTP response we are creating
     * @return an ActionForward instance describing where and how
     *         control should be forwarded, or null if response
     *         has already been completed
     */
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request, HttpServletResponse response) throws Exception {

        BackupManager backupManager = (BackupManager) getBean(Constants.BACKUP_MANAGER_BEAN);
        try {
            backupManager.backup();
        } catch(DataAccessException ex) {
            ActionMessages errors = new ActionMessages();
            errors.add("cannotBackup", new ActionMessage("core.backup.errors.cannotBackup"));
            saveErrors(request, errors);
            return mapping.findForward("inputForward");
        }

        return mapping.findForward("listArchives");
    }
}
